Abstract: Disclosed is a resin composition comprising 20 to 90 parts by weight of an ethylene/(meth)acrylic ester/carbon monoxide terpolymer having been graft modified with an unsaturated carboxylic acid or its anhydride and 80 to 10 parts by weight of a polyester elastomer having been graft modified with the above modifier, the total amount of said graft modified ethylene/(meth)acrylate/carbon monoxide terpolymer and polyester elastomer being 100 parts by weight. Also disclosed is an adhesive comprising the above-mentioned resin composition. The resin composition and the adhesive according to the invention are excellent in adhesion properties, heat resistant adhesive properties, hue and heat stability.
Abstract: Disclosed is a resin composition comprising 20 to 90 parts by weight of an ethylene/(meth)acrylic ester/carbon monoxide terpolymer having been graft modified with an unsaturated carboxylic acid or its anhydride and 80 to 10 parts by weight of a polyester elastomer having been graft modified with the above modifier, the total amount of said graft modified ethylene/(meth)acrylate/carbon monoxide terpolymer and polyester elastomer being 100 parts by weight. Also disclosed is an adhesive comprising the above-mentioned resin composition. The resin composition and the adhesive according to the invention are excellent in adhesion properties, heat resistant adhesive properties, hue and heat stability.
Abstract: The first molded structure of the present invention is formed from ethylene copolymer compositions comprising (A) 50-80% by weight of an ethylene/unsaturated ester copolymer, and (B) 50-20% by weight of an ethylene/vinyl alcohol copolymer having an apparent melt viscosity, as measured at 220.degree. C. and a rate of shear of 100 sec.sup.-1, smaller by 300-1000 Pa.multidot.s than that of said ethylene/unsaturated ester copolymer (A), said molded structures having a stratiform structure wherein said ethylene/vinyl alcohol copolymer (B) has been dispersed into said molded structure in the form of thin layers.The first ethylene copolymer compositions according to the invention are the same as those mentioned above, except that parts of the above-mentioned component (A) have been replaced by a graft modified product (C) of an ethylene/.alpha.-olefin copolymer, and are excellent in heat stability, film forming properties and extrusion kneading properties.
Abstract: A polyester packaging material having a layer formed from a polyester composition as a content contacting layer, wherein the polyester composition comprises 70-95 parts by weight of a polyethylene terephthalate copolymer and 5-30 parts by weight of an ethylene copolymer ionomer. The polyethylene terephthalate copolymer is derived from terephthalic acid (and isophthalic acid, if desired), ethylene glycol and cyclohexanedimethanol (a molar ratio of the ethylene glycol to the cyclohexanedimethanol being within the range of 95/5 to 75/25), and the polyethylene terephthalate copolymer has an endothermic peak of 180.degree. to 240.degree. C. as measured by a differential scanning calorimeter after heated at 130.degree. C. for 5 hours in nitrogen and has an endotherm of 10 to 40 Joule/g at the endothermic peak.
Abstract: Disclosed herein are a novel graft copolymer comprising a stock copolymer (A) of at least one monomer selected from esters of unsaturated carboxylic acids and vinyl esters (a), ethylene (b) and carbon monoxide (c), and a polyamide oligomer having a primary amino group at one end of its molecule (B) grafted on said stock copolymer, and a process for the preparation thereof. The proposed graft copolymer, when used as an adhesive, in particular for adhesion of polyvinyl chloride, exhibits excellent heat resistance and adhesion properties.
Abstract: Disclosed herein are a novel graft copolymer comprising a stock copolymer (A) of at least one monomer selected from esters of unsaturated carboxylic acids and vinyl esters (a), ethylene (b) and carbon monoxide (c), and a polyamide oligomer having a primary amino group at one end of its molecule (B) grafted on said stock copolymer, and a process for the preparation thereof. The proposed graft copolymer, when used as an adhesive, in particular for adhesion of polyvinyl chloride, exhibits excellent heat resistance and adhesion properties.
Abstract: Proposed herein is an ionomer composition which comprises a reaction product of from 90 to 99.5% by weight of an ethylene copolymer-type ionomer (A) with from 0.5 to 10% by weight of an olefin copolymer (B) having epoxy groups in its side chains, and from 5 to 200 parts by weight, based on 100 parts by weight of said reaction product, of an olefin-type thermoplastic elastomer (C). The proposed ionomer composition is excellent in scratch resistance and flexibility and exhibits a reduced "luster reappearance".
Abstract: Provided herein a polymer composition which comprises from 50 to 85 parts by weight of an ethylene-type ionomer resin (A), from 10 to 39 parts by weight of a partially crosslinked olefin-type thermoplastic elastomer (B) and from 1 to 15 parts by weight of an ethylene-alpha-olefin copolymer rubber (C). The proposed composition is excellent in scratch resistance, adhesion to metals, resistance to heat deformation, flexibility, antibleeding property of mineral oil softener contained and low surface gloss.
Abstract: A vinyl chloride resin composition comprising(A) 100 parts by weight of a vinyl chloride resin,(B) 30 to 200 parts by weight of an ethylene/vinyl acetate/carbon monoxide copolymer, and(C) 2 to 80 parts by weight of chlorinated polyethylene. The said vinyl chloride resin composition can be prepared by simultaneously melt-mixing 100 parts by weight of the vinyl chloride resin, 30 to 200 parts by weight of the ethylene/vinyl acetate/carbon monoxide copolymer and 2 to 80 parts by weight of chlorinated polyethylene.
Abstract: A polymer composition comprising an ethylene-vinyl acetate-carbon monoxide copolymer and a nitrogen-containing or an alicyclic epoxy compound, and a foamable polymer composition comprising an ethylene-vinyl acetate-carbon monoxide copolymer, a heat-decomposable organic blowing agent having a decomposition temperature of at least 90.degree. C., and a nitrogen-containing or an alicyclic epoxy compound.
Abstract: A semiconducting composition comprising(A) a random copolymer of propylene and an alpha-olefin having at least 4 carbon atoms as main constituents, which contains 50 to 87 mole % of the propylene units,(B) fine particles of carbon black, and as an optional component,(C) at least one random copolymer selected from the group consisting of a random copolymer of ethylene and a vinyl ester having 4 to 5 carbon atoms as main constituents, which contains at least about 5.4 mole % of the vinyl ester units, and a random copolymer of ethylene and an unsaturated carboxylic acid ester having 4 to 8 carbon atoms as main constituents, which contains at least 3 mole % of the unsaturated carboxylic acid ester units.The semiconducting composition or its crosslinked product is useful as an outside semiconducting layer in a power cable composed at least of a central conductor, a crosslinked polyethylene insulating layer surrounding the conductor and an outside semiconducting layer surrounding the insulating layer.
Abstract: A polymer composition comprising an ethylene-vinyl acetate-carbon monoxide copolymer and a nitrogen-containing or an alicyclic epoxy compound, and a foamable polymer composition comprising an ethylene-vinyl acetate-carbon monoxide copolymer, a heat-decomposable organic blowing agent having a decomposition temperature of at least 90.degree. C., and a nitrogen-containing or an alicyclic epoxy compound.